Home / 811,769.67-1,119,325.38-607,164.90

Finding the Fourth Proportional to 811,769.67, 1,119,325.38 and 607,164.90

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Solution

The fourth proportional to 811,769.67, 1,119,325.38 and 607,164.90 is: 837,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,769.67 : 1,119,325.38 = 607,164.90 : x
  2. Step 2: Convert to fraction form
    811,769.67/1,119,325.38 = 607,164.90/x
  3. Step 3: Cross multiply
    811,769.67x = 1,119,325.38 × 607,164.90
  4. Step 4: Simplify right side
    811,769.67x = 679,615,082,415.16
  5. Step 5: Solve for x
    x = 679,615,082,415.16/811,769.67
  6. Step 6: Final answer
    x = 837,201.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.